Hornblower Hybrid

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The Hornblower Hybrid is a family of ferry boats belonging to US operator Hornblower Cruises, which are powered with hybrid power trains.

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San Francisco Hornblower Hybrid

San Francisco Hornblower Hybrid
Hornblower-Hybrid (14).jpg
Length64 feet
Beam30 Feet
Draft5 feet 8 Inches
Main Propulsion(2) 400 HP AC Induction Motors
Ships Service PowerTier II Diesel Engines, Solar & Wind
Batteries(2) 380 VDC AGM Battery Banks

The San Francisco Hornblower Hybrid is a 64-foot-long (20 m) catamaran, with a fully enclosed main deck, and covered roof deck. In 2008 the vessel was acquired by Alcatraz Cruises, a subsidiary of Hornblower Cruises. The vessel, which was previously a commercial diving boat, underwent a retrofit, repower and refurbishment operation, at a cost of USD 4 million. [1]

In addition to its main power train, which consists of Tier 2 marine diesel engines, the Hornblower Hybrid uses power generated by two ten-foot-tall twisted Savonius wind turbines and a photovoltaic solar array covering the awning on the top deck. That supplementary power is converted and stored in batteries which power the navigation equipment, lighting, and electronics on board. Excess power can be stored in the main propulsion battery banks. The ship was presented as the first passenger boat in the US to use both wind and sun power. [1]

The drive system allows the captain to monitor the energy needs of the vessel and select the most appropriate power sources. For example, when the boat is idle at the dock, the engines may shut off so that the motors may run on energy stored in the battery banks. [2]

The vessel also contains a number of other environmentally friendly materials. The carpeting contains post consumer recycled materials, is recyclable and meets the US Green Building Council LEED criteria for recycled content. A significant portion of the interior signage is printed on Plyboo, a composite material made from sustainable sources and containing no harmful chemicals.[ citation needed ] The lighting throughout the vessel is LED. [2]

The ship was mentioned among the Workboat Significant Boats of 2009 list. [3] It was a finalist in the Sustainable Shipping awards. [4]

New York Hornblower Hybrid

New York Hornblower Hybrid
New York Hornblower Hybrid.jpg
Length168 feet
Beam40 Feet
Draft6 feet
Main Propulsion(2) 700 HP AC Induction Motors
Ships Service Power Scania AB Tier II Diesel Engines, Hydrogen PEM Fuel Cell, Solar & Wind
Batteries(2) 700 VDC AGM Battery Banks

Two years after the introduction of the San Francisco vessel, Hornblower Cruises subsidiary Statue Cruises announced works on a second ship. The New York Hornblower Hybrid was completed on October 26, 2011.

In addition to using solar power, wind power, and low-emission diesel, the New York Hornblower Hybrid also runs on hydrogen fuel cells, [5] making it the first hydrogen hybrid ferry in the world.[ citation needed ] The Hybrid is 168 feet long by 40 feet wide and designed to carry 600 passengers. It features two Helix wind 5-kilowatt wind turbines, a 20 kilowatt solar array, LEED certified carpets, LED lighting, and an interior made partly of recycled and sustainable materials. [5]

Alcatraz Clipper Hybrid

Alcatraz Clipper Hybrid
Alcatraz Clipper Hybrid and Alcatraz Flyer.jpg
Length120 feet
Beam30 Feet
Draft6 feet
Main Propulsion(2) 700 HP AC Induction Motors
Ships Service PowerMTU Series 60 Tier II Diesel Engines, Sunpower E318 Solar & Wind
Batteries(2) 700 VDC AGM Battery Banks

The Alcatraz Clipper Hybrid was originally constructed in the early 1970s as a vessel to serve Catalina Island. Hornblower Cruises subsidiary Alcatraz Cruises acquired the vessel in 2008 and retrofitted it to have Tier II engines with a Selective Catalytic Reduction (SCR) units. In 2011 Alcatraz Cruises implemented Hornblower's Hybrid technology.

Environmental impact

In 2008, the operator announced it hoped to achieve 75% fuel consumption reduction thanks to the San Francisco Hornblower Hybrid's technology, [1] however no independent evaluation of the vessel's ecological impact has been published.

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References

  1. 1 2 3 Delo, Stacey (2008-12-16), Hybrids Take to Water, MarketWatch, retrieved 2017-07-16
  2. 1 2 Mack, Ben (2009-02-01). "Hornblower Hybrid Leads The Way to Greener Boats". WIRED. Retrieved 2017-07-16.
  3. "2009 Significant Boats | WorkBoat". WorkBoat. Retrieved 2017-07-16.
  4. "Hornblower Hybrid Technology Award Finalist". MarineLink. 2009-07-16. Retrieved 2017-07-16.
  5. 1 2 Casey, Tina (2010-12-09). "New York City Gets Its First Hydrogen-Fueled Hybrid Ferry Boat". CleanTechnica. Retrieved 2017-07-16.